Littelfuse 203 Series - Manual (Page 2)

© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Surface Mount Fuses
FLAT-PAK ® Slo-Blo ® Fuse > 203 Series
9.45
(.372") 6.35
(.250")
4.19
(.165")
0.53
(.021")
10.16
(.400")
.135"
0.30(.012")
6 o
203 FLAT- PAK
LF T 2A
250 V
PAT 4563666
DIP Configuration
(Thru-Hole) Mounting
9.45
(.372") 6.35
(.250")
4.19
(.165")
203G FLAT- PAK
LF T 2A
250 V
PAT 4563666
SMF Configuration
("Gull Wing" Surface Mount)
1.52
(.060")
0.08 (.003")
1.40 (.055")
15.24 (.600")
17.12(.674)
4.06(.160)
11.53(.454)
2.79 (.110)
Recommended Pad Layout
9.45
(.372") 6.35
(.250")
4.19
(.165")
0.53
(.021")
10.16
(.400")
.135"
0.30 (.012")
6 o
202 FLAT- PAK
LF F 2A
250 V
PAT 4563666
DIP Configuration
(Thru-Hole) Mounting
9.45
(.372") 6.35
(.250")
4.19
(.165")
202G FLAT- PAK
LF F 2A
250 V
PAT 4563666
SMF Configuration
("Gull Wing" Surface Mount)
1.52
(.060")
0.08 (.003")
1.40 (.055")
15.24 (.600")
17.12 (.674)
4.06 (.160)
11.53 (.454)
2.79 (.110)
Recommended Pad Layout
Dimensions
Average Time Current Curves
100
10
1
0.01
0.001
1000 100 10 1 0.1 0.05
1/4A 1/2A 3/4A 1A 1 1/2A 2
A
2 1/2A 3A 4A 5A
TIME IN SECONDS
CURRENT IN AMPERES
.1
0203 002. HXG
Series
Amp Code
Refer to Amp Code column of
Electrical Characteristics Table
Quantity Code
HXG = 100
URG = 500
0203 002. H
Series
Amp Code
Refer to Amp Code column of
Electrical Characteristics Table
Quantity Code
H = 100
Soldering Parameters
Temperature Rerating Curve
Note:
1. Derating depicted in this curve is in addition to the standard derating of 25% for
continuous operation.
Wave Soldering 260°C, 3 seconds max.
Reflow Soldering 215°C, 30 seconds max.
Materials
Body: Thermoplastic
Terminations: Tin/Lead Plated Copper
Solderability MIL-STD-202, Method 208.
Cleaning Board washable in most common solvents.
Operating
Temperature
–55 O C to 125 O C
Product Characteristics
Part Numbering System
Surface Mount Fuses: Through Hole Fuses:
Packaging
packaging
Option
packaging
Specification
Quantity
Quantity &
packaging Code
Surface Mount Fuses
Bulk – 100 HXG
24mm Tape
and Reel
EIA 481
(IEC60286, part 3)
500 URG
Through Hole Fuses
Antistatic
Magazine
– 100 H